00261nam a2200097Ia 4500008004100000082002200041100001900063245004000082260003000122300001100152240817s9999    xx            000 0 und d  a551.490151 L494,a  aLie, Tienchang 0aApplied Mathematics in Hydrogeology  c1999a Boca ratonb Lewis  a382 p.